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Build a Simple Validation Rule Builder

Explore how to build a fluent RuleBuilder class that defines form validation rules step-by-step. Learn to create chainable methods to mark fields required and set minimum and maximum string lengths, returning a clean, plain object for validation.

Problem statement

Your team is developing a form validation system for user inputs, including email addresses, names, and passwords. Currently, each validation rule is manually configured using raw objects, resulting in inconsistent formatting and missing constraints. You’ve been asked to build a fluent RuleBuilder ...